40243413312 has 42 divisors (see below), whose sum is σ = 115350479738. Its totient is φ = 13414470912.

The previous prime is 40243413311. The next prime is 40243413317. The reversal of 40243413312 is 21331434204.

40243413312 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 341 + 3 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24704294976 + 15539118336 = 157176^2 + 124656^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243413311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34932943 + ... + 34934094.

Almost surely, 2^40243413312 is an apocalyptic number.

It is an amenable number.

40243413312 is an abundant number, since it is smaller than the sum of its proper divisors (75107066426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40243413312 is a wasteful number, since it uses less digits than its factorization.

40243413312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69867055 (or 69867042 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40243413312 its reverse (21331434204), we get a palindrome (61574847516).

The spelling of 40243413312 in words is "forty billion, two hundred forty-three million, four hundred thirteen thousand, three hundred twelve".